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Lync - Skype Federation

Question

I have enabled Lync - Skype connectivity using the Provisioning Guide for Lync -Skype Connectivity document but I am still having issues. I can send an IM to a Skype user but they cannot reply back or initiate a message. On the Skype side
it just says messaging is unavailable beside the Lync user. One thing that I did notice in the topology was that only Federation(5061) is enabled. XMPP Federation is not enabled. Does it need to be enabled?

Answers

It is working now. It ended up being the firewall rule for port 5061 inbound was not enabled. Since we turned on federation after the initial install, that rule was never setup. Everything is working well now. Thanks for all the help
and suggestions

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you do not need to enable the XMPP federation. use the below official provision guide. Please not that Skype users have to login to Skype using MSN ID for communication to take place. Else, Skype users will not going to be able to search for the Lync user.
and even if you send an add request to a skype user, you need to send it to the MSN address. Skype users will not see that add request until they login using the MSN ID

Thanks for the link, but I did follow that guide. I created a test user Microsoft Account using and @outlook.com email address. I can add this Skype user from Lync, but it just shows as "updating..." beside the user, even though
I can send it messages. From the Skype test user, I can add my Lync user email address and it says "send contact request" but I never get the message. Both sides show offline.

back to the basics, have you check from control panel that the federation is enabled first and it's enabled for public providers. and when you add the skype user using @hotmail.com (@outlook.com), do you see that client shows the contact as federated external
user (you'll see a small globe icon next to the user name). if not, there's some component missing in your configuration.

Yes, in the control panel, under Access Edge Configuration, I have enabled "Enable federation and public IM connectivity" and "Enable partner domain discovery". Under the SIP Federated Providers the Skype Provider and Edge Server federation.messenger.msn.com
is enabled. For the Global policy, I have also enabled "Enable communications with federated users". When I add the
skypeuser@outlook.com, the client has the same icon that the internal Lync users have with no picture and it says "Updating..." below the username.

It is working now. It ended up being the firewall rule for port 5061 inbound was not enabled. Since we turned on federation after the initial install, that rule was never setup. Everything is working well now. Thanks for all the help
and suggestions

It is working now. It ended up being the firewall rule for port 5061 inbound was not enabled. Since we turned on federation after the initial install, that rule was never setup. Everything is working well now. Thanks for all the
help and suggestions

Where did you open port 5061 to? I am having a similar issue, but turned off windows firewall on the edge servers and confirmed i can telnet to port 5061 on our public access edge name.

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